iframe {
	   float: right;
	   margin-bottom: 1%;
	   margin-left: 50px;
	   margin-top:20px;
	   animation:downingimg 2s;
	}
	blockquote {
	   line-height: 1.5em;
	   font-size: 17px;
	   animation:nave1 3s,nave2 3s 3s;
	   font-family:"微軟正黑體";
	}
		.bigimg:hover {
	   width: 50%;
	}